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Subject: Re: Strength question

Author: Richard Pijl

Date: 22:23:25 01/05/03

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On January 05, 2003 at 17:07:41, Bruce Moreland wrote:

>How much stronger would your program be if move generation and make/unmake took
>zero cycles?
>
>My program spends 43% of its time on this.  That is move generation,
>make/unmake, static exchange, and check detection.
>
>So if on some hypothetical processor it got 100K nps, it would now get 175K nps
>if it got everything for free.  That seems pretty substantial, but remember that
>this essentially removes the guts of the program and replaces them with nothing.
>
>If I could get 50% speedup in these areas of my program, say that I get rid of
>22% of the execution time.
>
>This program would go from 100K nps to 128K nps.  That seems a little less
>important.  A 60 second solution would now take 47 seconds.
>
>I think that it would be extremely difficult or impossible to make all of this
>stuff go twice as fast, so why even try?
>
>bruce

By speeding up one part of the program, speeding up other parts of the program
will become more significant ...

Richard.



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